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Switch to using the arandom sysctl on NetBSD (same as FreeBSD). #115

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Merged
merged 6 commits into from
Oct 23, 2019
Merged

Switch to using the arandom sysctl on NetBSD (same as FreeBSD). #115

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02dad90
Switch to using the arandom sysctl on NetBSD (same as FreeBSD).
alarixnia Oct 20, 2019
46f8ac8
Disable use_file on NetBSD.
alarixnia Oct 20, 2019
52c6ca2
Document change to NetBSD
alarixnia Oct 20, 2019
b0c085e
Rename sysctl_arandom.rs to bsd_arandom.rs
alarixnia Oct 22, 2019
93b0760
Fixed Documentation Link
josephlr Oct 22, 2019
a10380d
Don't attempt getrandom(2) lookup on NetBSD
josephlr Oct 23, 2019
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4 changes: 2 additions & 2 deletions src/freebsd.rs → src/bsd_arandom.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.

//! Implementation for FreeBSD
//! Implementation for FreeBSD and NetBSD
use crate::util_libc::{sys_fill_exact, Weak};
use crate::Error;
use core::{mem, ptr};
Expand All @@ -27,7 +27,7 @@ fn kern_arnd(buf: &mut [u8]) -> libc::ssize_t {
)
};
if ret == -1 {
error!("freebsd: kern.arandom syscall failed");
error!("sysctl kern.arandom: syscall failed");
-1
} else {
len as libc::ssize_t
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6 changes: 3 additions & 3 deletions src/lib.rs
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Expand Up @@ -18,7 +18,7 @@
//! | iOS | [`SecRandomCopyBytes`][4]
//! | FreeBSD | [`getrandom()`][21] if available, otherwise [`kern.arandom`][5]
//! | OpenBSD | [`getentropy`][6]
//! | NetBSD | [`/dev/urandom`][7] after successfully polling `/dev/random`
//! | NetBSD | [`kern.arandom`][5]
//! | Dragonfly BSD | [`/dev/random`][8]
//! | Solaris, illumos | [`getrandom`][9] system call if available, otherwise [`/dev/random`][10]
//! | Fuchsia OS | [`cprng_draw`][11]
Expand Down Expand Up @@ -198,7 +198,7 @@ cfg_if! {
} else if #[cfg(target_os = "emscripten")] {
#[path = "use_file.rs"] mod imp;
} else if #[cfg(target_os = "freebsd")] {
#[path = "freebsd.rs"] mod imp;
#[path = "bsd_arandom.rs"] mod imp;
} else if #[cfg(target_os = "fuchsia")] {
#[path = "fuchsia.rs"] mod imp;
} else if #[cfg(target_os = "haiku")] {
Expand All @@ -212,7 +212,7 @@ cfg_if! {
} else if #[cfg(target_os = "macos")] {
#[path = "macos.rs"] mod imp;
} else if #[cfg(target_os = "netbsd")] {
#[path = "use_file.rs"] mod imp;
#[path = "bsd_arandom.rs"] mod imp;
} else if #[cfg(target_os = "openbsd")] {
#[path = "openbsd.rs"] mod imp;
} else if #[cfg(target_os = "redox")] {
Expand Down
2 changes: 1 addition & 1 deletion src/use_file.rs
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Expand Up @@ -39,7 +39,7 @@ pub fn getrandom_inner(dest: &mut [u8]) -> Result<(), Error> {
}

cfg_if! {
if #[cfg(any(target_os = "android", target_os = "linux", target_os = "netbsd"))] {
if #[cfg(any(target_os = "android", target_os = "linux"))] {
fn init_file() -> Option<libc::c_int> {
// Poll /dev/random to make sure it is ok to read from /dev/urandom.
let mut pfd = libc::pollfd {
Expand Down